Home / 18,244.31-25,177.10-9,860.81

Finding the Fourth Proportional to 18,244.31, 25,177.10 and 9,860.81

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Solution

The fourth proportional to 18,244.31, 25,177.10 and 9,860.81 is: 13,607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.31 : 25,177.10 = 9,860.81 : x
  2. Step 2: Convert to fraction form
    18,244.31/25,177.10 = 9,860.81/x
  3. Step 3: Cross multiply
    18,244.31x = 25,177.10 × 9,860.81
  4. Step 4: Simplify right side
    18,244.31x = 248,266,424.26
  5. Step 5: Solve for x
    x = 248,266,424.26/18,244.31
  6. Step 6: Final answer
    x = 13,607.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.